/**
 * Copyright 2007-2008 Vidar Svansson
 *     
 * This file is part of JAdapter.
 * 
 * JAdapter is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * JAdapter is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with JAdapter.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.jadapter.tests.examples;

import java.util.List;
import java.util.SortedMap;
import java.util.TreeMap;

import org.jadapter.adapters.SimpleAdapter;

/**
 * Simple adapter that transforms lists to maps.
 * 
 * It should not be sorted, I will make another for that.
 * 
 * @author Vidar Svansson
 * 
 * @since 0.1
 *
 */
@SuppressWarnings("unchecked")
public class SortedMapList extends SimpleAdapter<SortedMap,List> {

    @Override final public Class<List> from() {
        return List.class;
    }

    @Override final public Class<SortedMap> to() {
        return SortedMap.class;
    }

    public SortedMap<Integer,?> transform(List items) {
        SortedMap<Integer, Object> map = new TreeMap<Integer,Object>();
        int counter = 0;
        for(Object item : items) {
            map.put(counter++, item);
        }       
        return map;
    }

}
